Low temperature thermodynamics of quantum spin chains
β Scribed by Naobumi Honda; Harukazu Igarashi
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 283 KB
- Volume
- 87
- Category
- Article
- ISSN
- 0375-9601
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π SIMILAR VOLUMES
Multiple quantum spin dynamics is studied using analytical and numerical methods for one-dimensional finite systems of nuclear spins 12 coupled by dipole-dipole interactions at low temperatures. Exact expressions for intensities of multiple quantum coherences at low temperatures were obtained in the
Disorder of anisotropy is introduced into spin 1/2 quantum XXZ chains. This model, which is refered as the spin 1/2 + Jz chain, is studied by the quantum Monte Carlo method. It displays the critical phenomena of the x-y phase, though the critical exponents ),, r/ and v must be corrected. However, th